Someone who vandalizes property (public or private) willfully and illegally or commits other illegal actions.
(Can be pronounced "zigh-oh")
Dave is such a zio, did you see him spray paint the side of the school?
by Athena Harrington April 27, 2008
Top Definition
its italian

it's uncle but in italy thay also use it to say friend
bella zio = hay man
by vivian brook December 03, 2006
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